o-xylene
英
美
n. 邻二甲苯
双语例句
- Flow sheet simulation and optimization of the o-xylene distillation in aromatic hydrocarbon plant Comparative study on three different heat exchange and fractionation processes for delayed coking unit
芳烃联合装置邻二甲苯精馏塔流程模拟与优化延迟焦化装置三种换热分馏流程的比较 - Influence of adding alkali metal RB on performance of catalysts for phthalic anhydride from o-xylene
碱金属铷对邻二甲苯制苯酐催化剂性能的影响 - The Study on the Complete Catalytic Oxidation of o-xylene over Manganese Oxide Catalysts
锰氧化物深度催化氧化邻二甲苯的研究 - Design Optimized for Phthalic Anhydride Process by O-xylene Oxidation
邻二甲苯氧化制苯酐工艺装置的优化设计 - The results showed that the fluo-rine with proper amount for HY zeolite modification could increase its acidity and thermal stability, as well as improve the pore structure and crystal structure. The modified HY zeolite also presented higher catalytic activity for o-xylene conversion.
结果表明，HY型分子筛载氟量适当可以显著提高其酸性，改善其热稳定性、孔结构和晶体结构，提高其在邻二甲苯催化转化中的催化活性。 - SO 4 2-/ ZrO 2 solid super-acid catalyst has high catalytic activities in the alkylation of O-xylene with styrene, and there is no polymerization reaction of styrene.
SO42-/ZrO2固体超强酸催化剂在邻二甲苯和苯乙烯的烷基化反应中表现出高催化活性，并没有苯乙烯的副反应发生； - A V-Cr-Mo-O/ SiO 2 catalyst, which is characterized by high selectivity, long service life and small molar ratio of ammonia to o-xylene has been screened.
针对邻二甲苯的特点，开发成功选择性高、寿命长、氨与邻二甲苯的物质的量之比（A2）较小的新型V-Cr-Mo-O/SiO2催化剂。 - The Parameters 'Sensitivity and Performance Range of O-xylene Oxidation Process
邻二甲苯氧化工艺的参数灵敏性和操作域 - A simplified model for liquid phase oxidation of o-xylene
邻二甲苯液相氧化简化反应模型 - Gas Chromatographic Analysis of O-Xylene in Tailor Gas from Phthalic Anhydride Unit
苯酐装置尾气中邻二甲苯的色谱分析 - The influence of the calcination temperature on the catalytic activity of zeolitefor the reaction of o-xylene isomerization was investigated.
本文还讨论了焙烧温度对邻二甲苯异构化的催化活性的影响。 - Co-production of o-xylene is a selective route for increasing the competition and anti-risk abilities of p-xylene unit.
为了提高对二甲苯装置竞争力及抗风险能力，可选择适当联产邻二甲苯的途径。 - O-xylene isomerization is accompanied by disproportionation reaction on modified Y zeolites. For SY zeolites the results of the o-xylene disproportionation reaction are consistent with that of the cyclohexene hydrogen transfer reaction.
在改性Y沸石上邻二甲苯异构化和歧化反应同时进行，SY沸石的歧化反应变化规律与环己烯氢转移反应相似。 - The yield of PXE was respectively 76% or 83% depending on the alkylbenzene used being xylol or o-xylene. The ratio of the alkylbenzene to styrene was 6, the catalyst concentration was 6% and the reaction time at 120 ℃ was 2 hours.
在120℃、烷基苯配比为6、催化剂用量6%及反应时间2小时的条件下，由苯乙烯与混合二甲苯和邻二甲苯合成PXE的收率分别达76%和83%。 - In the second section, the selective nitration of o-xylene had been studied.
第二部分，提高邻二甲苯硝化选择性的研究思路和研究内容。 - The experiment results show that H 3 zeolites has high catalysis efficiency for the alkylation of o-xylene with tert-butyl alcohol. In this reaction, the conversion of tert-butyl alcohol has been as high as 100%.
以Hβ沸石为催化剂进行了邻二甲苯&叔丁醇烷基化反应的研究，结果表明：Hβ沸石作为邻二甲苯烷基化反应的催化剂活性很高，叔丁醇可100%转化。 - Selective nitration of o-xylene and catalytic hydrogenation were also mainly discussed.
对硝化理论、提高硝化选择性的方法和低压液相催化加氢理论进行了详细的讨论，并对于论文的目的和意义进行了阐述。 - Toluene alkylation and o-xylene isomerization were chosen and the catalytic activity was estimated with impulse minisize reactor-chromatogram device.
选用甲苯烷基化，二甲苯异构化反应，使用脉冲微反-色谱联用装置对其进行催化活性的评价。 - Because the energy barrier of p-xylene was much lower than that of m-xylene and o-xylene in MEL, MEL zeolite showed efficient shape-selectivity for p-xylene.
由于对二甲苯的扩散能垒远小于间二甲苯和邻二甲苯，因此MEL分子筛也表现出对于对二甲苯的较好选择性。 - Degradation of o-xylene in off-gas by fungi
真菌降解废气中邻-二甲苯试验研究 - The dissolved oxygen in air-oxidation of o-xylene was continuously determined with Ag-Pb galvanic oxygen sensor.
用耐温耐压银一铅原电池型测氧探头连续测定了邻二甲苯空气氧化鼓泡塔中的氧含量，从而计算了带反应的传质系数、并建立了反应动力学方程式。 - A Study on Kinetics of o-Xylene Oxidation in Liquid Phase
邻二甲苯液相氧化动力学的研究 - Cation-Exchange of Zeolites Using Microwave Radiation Catalytic Oxidation of o-Xylene to Phthalic Anhydride under Microwave Radiation
微波加热法向沸石分子筛中引入金属离子&La~（3＋）与NaX、NaY、NaL、NaM沸石离子交换微波催化氧化邻二甲苯制苯酐 - Analysis on the fixed bed reactor system for production of PA from o-xylene
邻二甲苯制苯酐固定床反应器系统分析 - The results show that the VOCs contained in the samples include o-xylene, m/ p-xylene, isopropanol, ethyl acetate and butyl acetate.
结果证明样品中含有的挥发性有机物包括邻二甲苯、间／对二甲苯、异丙醇、乙酸乙酯、乙酸丁酯。 - Concentration of seven kinds of ambient air in February and March in Beijing benzenes: toluene ethylbenzene m.p-xylene benzene o-xylene styrene.
北京市二、三月份环境空气中7种苯系物的浓度：甲苯乙苯间、对&二甲苯苯邻二甲苯苯乙烯。 - The inhibition effect on o-xylene was more significant than on/ w-xylene and p-xylene.
邻二甲苯受到的抑制作用大于间、对二甲苯。